Beverage mixer



FIG. 1 is a top right perspective view of my design for a beverage mixer,

FIG. 2 is a front elevational view thereof,

FIG. 3 is a rear elevational view thereof,

FIG. 4 is a right elevational view thereof,

FIG. 5 is a left elevational view thereof,

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a beverage mixer, as shown and described. 